I see what you mean... Maybe they could have added some redundancy.
I'm on the anti-social disorder list and I want to get a gun. Thus, I go to the psychologist in order to make sure that I truly am mentally stable, and after getting removed from the list, I now get my gun.
Adding in some checks and balances, after all, it would be a government institution in charge of the whole thing. That way everyone who is truly mentally sound can get their guns, and the populous can still have the added protection of the restriction.